Genesis G90 (2017) is 519 mm (20.43 inch) longer, 105 mm (4.13 inch) wider, 86 mm (3.39 inch) higher and has 89 liters (3.14 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2020).
Mercedes C-Class (Coupe) (2020) is 550 kg (1,213 lbs) lighter than Genesis G90 (2017).